MINI #40 - SUM AND AVERAGE OF AN EVENLY SPACED LIST OF INTEGERS Number Theory Video by Art of Problem Solving's Richard Rusczyk. Read More
FASTER ARITHMETIC METHODS Algebraic Expressions and Equations General Math Problem Solving (Misc.) Using the commutative, associative and distributive properties, Mathletes will arrange arithmetic problems in a different order that allows them to be solved more readily. Read More
MINI #89 - LOOKING FOR PATTERNS AND OTHER STRATEGIES Number Theory Sequences, Series and Patterns Video by Art of Problem Solving's Richard Rusczyk. Read More